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Finding the Fourth Proportional to 61,264.94, 84,545.63 and 34,407.48

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Solution

The fourth proportional to 61,264.94, 84,545.63 and 34,407.48 is: 47,482.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264.94 : 84,545.63 = 34,407.48 : x
  2. Step 2: Convert to fraction form
    61,264.94/84,545.63 = 34,407.48/x
  3. Step 3: Cross multiply
    61,264.94x = 84,545.63 × 34,407.48
  4. Step 4: Simplify right side
    61,264.94x = 2,909,001,901.28
  5. Step 5: Solve for x
    x = 2,909,001,901.28/61,264.94
  6. Step 6: Final answer
    x = 47,482.33

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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.