Home / 93,070.14-128,434.02-52,787.58

Finding the Fourth Proportional to 93,070.14, 128,434.02 and 52,787.58

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Solution

The fourth proportional to 93,070.14, 128,434.02 and 52,787.58 is: 72,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,070.14 : 128,434.02 = 52,787.58 : x
  2. Step 2: Convert to fraction form
    93,070.14/128,434.02 = 52,787.58/x
  3. Step 3: Cross multiply
    93,070.14x = 128,434.02 × 52,787.58
  4. Step 4: Simplify right side
    93,070.14x = 6,779,721,105.47
  5. Step 5: Solve for x
    x = 6,779,721,105.47/93,070.14
  6. Step 6: Final answer
    x = 72,845.29

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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.