Home / 82,037.83-113,155.62-62,967.19

Finding the Fourth Proportional to 82,037.83, 113,155.62 and 62,967.19

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Solution

The fourth proportional to 82,037.83, 113,155.62 and 62,967.19 is: 86,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,037.83 : 113,155.62 = 62,967.19 : x
  2. Step 2: Convert to fraction form
    82,037.83/113,155.62 = 62,967.19/x
  3. Step 3: Cross multiply
    82,037.83x = 113,155.62 × 62,967.19
  4. Step 4: Simplify right side
    82,037.83x = 7,125,091,424.11
  5. Step 5: Solve for x
    x = 7,125,091,424.11/82,037.83
  6. Step 6: Final answer
    x = 86,851.29

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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.