Home / 58,510.16-87,743.40-21,060.08

Finding the Fourth Proportional to 58,510.16, 87,743.40 and 21,060.08

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Solution

The fourth proportional to 58,510.16, 87,743.40 and 21,060.08 is: 31,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,510.16 : 87,743.40 = 21,060.08 : x
  2. Step 2: Convert to fraction form
    58,510.16/87,743.40 = 21,060.08/x
  3. Step 3: Cross multiply
    58,510.16x = 87,743.40 × 21,060.08
  4. Step 4: Simplify right side
    58,510.16x = 1,847,883,023.47
  5. Step 5: Solve for x
    x = 1,847,883,023.47/58,510.16
  6. Step 6: Final answer
    x = 31,582.26

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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.