Home / 112,329.60-155,013.12-62,031.36

Finding the Fourth Proportional to 112,329.60, 155,013.12 and 62,031.36

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Solution

The fourth proportional to 112,329.60, 155,013.12 and 62,031.36 is: 85,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,329.60 : 155,013.12 = 62,031.36 : x
  2. Step 2: Convert to fraction form
    112,329.60/155,013.12 = 62,031.36/x
  3. Step 3: Cross multiply
    112,329.60x = 155,013.12 × 62,031.36
  4. Step 4: Simplify right side
    112,329.60x = 9,615,674,651.44
  5. Step 5: Solve for x
    x = 9,615,674,651.44/112,329.60
  6. Step 6: Final answer
    x = 85,602.32

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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.