Home / 61,220.52-84,478.68-34,364.16

Finding the Fourth Proportional to 61,220.52, 84,478.68 and 34,364.16

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Solution

The fourth proportional to 61,220.52, 84,478.68 and 34,364.16 is: 47,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.52 : 84,478.68 = 34,364.16 : x
  2. Step 2: Convert to fraction form
    61,220.52/84,478.68 = 34,364.16/x
  3. Step 3: Cross multiply
    61,220.52x = 84,478.68 × 34,364.16
  4. Step 4: Simplify right side
    61,220.52x = 2,903,038,876.11
  5. Step 5: Solve for x
    x = 2,903,038,876.11/61,220.52
  6. Step 6: Final answer
    x = 47,419.38

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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.