Home / 112,848.48-155,748.16-72,030.24

Finding the Fourth Proportional to 112,848.48, 155,748.16 and 72,030.24

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Solution

The fourth proportional to 112,848.48, 155,748.16 and 72,030.24 is: 99,412.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.48 : 155,748.16 = 72,030.24 : x
  2. Step 2: Convert to fraction form
    112,848.48/155,748.16 = 72,030.24/x
  3. Step 3: Cross multiply
    112,848.48x = 155,748.16 × 72,030.24
  4. Step 4: Simplify right side
    112,848.48x = 11,218,577,344.36
  5. Step 5: Solve for x
    x = 11,218,577,344.36/112,848.48
  6. Step 6: Final answer
    x = 99,412.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.