Home / 70,534.18-97,335.84-38,702.80

Finding the Fourth Proportional to 70,534.18, 97,335.84 and 38,702.80

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Solution

The fourth proportional to 70,534.18, 97,335.84 and 38,702.80 is: 53,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.18 : 97,335.84 = 38,702.80 : x
  2. Step 2: Convert to fraction form
    70,534.18/97,335.84 = 38,702.80/x
  3. Step 3: Cross multiply
    70,534.18x = 97,335.84 × 38,702.80
  4. Step 4: Simplify right side
    70,534.18x = 3,767,169,548.35
  5. Step 5: Solve for x
    x = 3,767,169,548.35/70,534.18
  6. Step 6: Final answer
    x = 53,409.14

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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.