Home / 112,412.16-155,127.68-62,110.08

Finding the Fourth Proportional to 112,412.16, 155,127.68 and 62,110.08

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Solution

The fourth proportional to 112,412.16, 155,127.68 and 62,110.08 is: 85,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,412.16 : 155,127.68 = 62,110.08 : x
  2. Step 2: Convert to fraction form
    112,412.16/155,127.68 = 62,110.08/x
  3. Step 3: Cross multiply
    112,412.16x = 155,127.68 × 62,110.08
  4. Step 4: Simplify right side
    112,412.16x = 9,634,992,615.01
  5. Step 5: Solve for x
    x = 9,634,992,615.01/112,412.16
  6. Step 6: Final answer
    x = 85,711.30

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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.