Home / 58,070.16-87,104.92-21,134.16

Finding the Fourth Proportional to 58,070.16, 87,104.92 and 21,134.16

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Solution

The fourth proportional to 58,070.16, 87,104.92 and 21,134.16 is: 31,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,070.16 : 87,104.92 = 21,134.16 : x
  2. Step 2: Convert to fraction form
    58,070.16/87,104.92 = 21,134.16/x
  3. Step 3: Cross multiply
    58,070.16x = 87,104.92 × 21,134.16
  4. Step 4: Simplify right side
    58,070.16x = 1,840,889,316.07
  5. Step 5: Solve for x
    x = 1,840,889,316.07/58,070.16
  6. Step 6: Final answer
    x = 31,701.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.