Home / 52,057.36-78,117.13-47,822.40

Finding the Fourth Proportional to 52,057.36, 78,117.13 and 47,822.40

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Solution

The fourth proportional to 52,057.36, 78,117.13 and 47,822.40 is: 71,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,057.36 : 78,117.13 = 47,822.40 : x
  2. Step 2: Convert to fraction form
    52,057.36/78,117.13 = 47,822.40/x
  3. Step 3: Cross multiply
    52,057.36x = 78,117.13 × 47,822.40
  4. Step 4: Simplify right side
    52,057.36x = 3,735,748,831.99
  5. Step 5: Solve for x
    x = 3,735,748,831.99/52,057.36
  6. Step 6: Final answer
    x = 71,762.17

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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.