Home / 93,781.02-129,417.82-51,339.56

Finding the Fourth Proportional to 93,781.02, 129,417.82 and 51,339.56

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Solution

The fourth proportional to 93,781.02, 129,417.82 and 51,339.56 is: 70,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,781.02 : 129,417.82 = 51,339.56 : x
  2. Step 2: Convert to fraction form
    93,781.02/129,417.82 = 51,339.56/x
  3. Step 3: Cross multiply
    93,781.02x = 129,417.82 × 51,339.56
  4. Step 4: Simplify right side
    93,781.02x = 6,644,253,159.52
  5. Step 5: Solve for x
    x = 6,644,253,159.52/93,781.02
  6. Step 6: Final answer
    x = 70,848.59

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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.