Home / 93,470.28-128,985.35-51,029.16

Finding the Fourth Proportional to 93,470.28, 128,985.35 and 51,029.16

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Solution

The fourth proportional to 93,470.28, 128,985.35 and 51,029.16 is: 70,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470.28 : 128,985.35 = 51,029.16 : x
  2. Step 2: Convert to fraction form
    93,470.28/128,985.35 = 51,029.16/x
  3. Step 3: Cross multiply
    93,470.28x = 128,985.35 × 51,029.16
  4. Step 4: Simplify right side
    93,470.28x = 6,582,013,807.66
  5. Step 5: Solve for x
    x = 6,582,013,807.66/93,470.28
  6. Step 6: Final answer
    x = 70,418.25

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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.