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Finding the Fourth Proportional to 60,338.88, 90,442.62 and 51,547.14

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Solution

The fourth proportional to 60,338.88, 90,442.62 and 51,547.14 is: 77,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,338.88 : 90,442.62 = 51,547.14 : x
  2. Step 2: Convert to fraction form
    60,338.88/90,442.62 = 51,547.14/x
  3. Step 3: Cross multiply
    60,338.88x = 90,442.62 × 51,547.14
  4. Step 4: Simplify right side
    60,338.88x = 4,662,058,395.11
  5. Step 5: Solve for x
    x = 4,662,058,395.11/60,338.88
  6. Step 6: Final answer
    x = 77,264.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.