Home / 93,488.08-129,012.60-57,663.76

Finding the Fourth Proportional to 93,488.08, 129,012.60 and 57,663.76

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Solution

The fourth proportional to 93,488.08, 129,012.60 and 57,663.76 is: 79,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,488.08 : 129,012.60 = 57,663.76 : x
  2. Step 2: Convert to fraction form
    93,488.08/129,012.60 = 57,663.76/x
  3. Step 3: Cross multiply
    93,488.08x = 129,012.60 × 57,663.76
  4. Step 4: Simplify right side
    93,488.08x = 7,439,351,603.38
  5. Step 5: Solve for x
    x = 7,439,351,603.38/93,488.08
  6. Step 6: Final answer
    x = 79,575.40

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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.