Home / 93,931.09-129,624.90-51,488.71

Finding the Fourth Proportional to 93,931.09, 129,624.90 and 51,488.71

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Solution

The fourth proportional to 93,931.09, 129,624.90 and 51,488.71 is: 71,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,931.09 : 129,624.90 = 51,488.71 : x
  2. Step 2: Convert to fraction form
    93,931.09/129,624.90 = 51,488.71/x
  3. Step 3: Cross multiply
    93,931.09x = 129,624.90 × 51,488.71
  4. Step 4: Simplify right side
    93,931.09x = 6,674,218,236.75
  5. Step 5: Solve for x
    x = 6,674,218,236.75/93,931.09
  6. Step 6: Final answer
    x = 71,054.41

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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.