Home / 70,807.38-97,702.75-40,587.14

Finding the Fourth Proportional to 70,807.38, 97,702.75 and 40,587.14

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Solution

The fourth proportional to 70,807.38, 97,702.75 and 40,587.14 is: 56,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,807.38 : 97,702.75 = 40,587.14 : x
  2. Step 2: Convert to fraction form
    70,807.38/97,702.75 = 40,587.14/x
  3. Step 3: Cross multiply
    70,807.38x = 97,702.75 × 40,587.14
  4. Step 4: Simplify right side
    70,807.38x = 3,965,475,192.64
  5. Step 5: Solve for x
    x = 3,965,475,192.64/70,807.38
  6. Step 6: Final answer
    x = 56,003.70

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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.