Home / 93,470.55-128,988.45-57,646.23

Finding the Fourth Proportional to 93,470.55, 128,988.45 and 57,646.23

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Solution

The fourth proportional to 93,470.55, 128,988.45 and 57,646.23 is: 79,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470.55 : 128,988.45 = 57,646.23 : x
  2. Step 2: Convert to fraction form
    93,470.55/128,988.45 = 57,646.23/x
  3. Step 3: Cross multiply
    93,470.55x = 128,988.45 × 57,646.23
  4. Step 4: Simplify right side
    93,470.55x = 7,435,697,856.04
  5. Step 5: Solve for x
    x = 7,435,697,856.04/93,470.55
  6. Step 6: Final answer
    x = 79,551.24

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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.