Home / 74,322.48-102,565.12-42,492.08

Finding the Fourth Proportional to 74,322.48, 102,565.12 and 42,492.08

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Solution

The fourth proportional to 74,322.48, 102,565.12 and 42,492.08 is: 58,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,322.48 : 102,565.12 = 42,492.08 : x
  2. Step 2: Convert to fraction form
    74,322.48/102,565.12 = 42,492.08/x
  3. Step 3: Cross multiply
    74,322.48x = 102,565.12 × 42,492.08
  4. Step 4: Simplify right side
    74,322.48x = 4,358,205,284.25
  5. Step 5: Solve for x
    x = 4,358,205,284.25/74,322.48
  6. Step 6: Final answer
    x = 58,639.13

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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.