Home / 69,702.19-96,013.14-56,235.76

Finding the Fourth Proportional to 69,702.19, 96,013.14 and 56,235.76

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Solution

The fourth proportional to 69,702.19, 96,013.14 and 56,235.76 is: 77,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,702.19 : 96,013.14 = 56,235.76 : x
  2. Step 2: Convert to fraction form
    69,702.19/96,013.14 = 56,235.76/x
  3. Step 3: Cross multiply
    69,702.19x = 96,013.14 × 56,235.76
  4. Step 4: Simplify right side
    69,702.19x = 5,399,371,897.89
  5. Step 5: Solve for x
    x = 5,399,371,897.89/69,702.19
  6. Step 6: Final answer
    x = 77,463.45

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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.