Home / 78,871.02-118,312.20-24,831.06

Finding the Fourth Proportional to 78,871.02, 118,312.20 and 24,831.06

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Solution

The fourth proportional to 78,871.02, 118,312.20 and 24,831.06 is: 37,248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,871.02 : 118,312.20 = 24,831.06 : x
  2. Step 2: Convert to fraction form
    78,871.02/118,312.20 = 24,831.06/x
  3. Step 3: Cross multiply
    78,871.02x = 118,312.20 × 24,831.06
  4. Step 4: Simplify right side
    78,871.02x = 2,937,817,336.93
  5. Step 5: Solve for x
    x = 2,937,817,336.93/78,871.02
  6. Step 6: Final answer
    x = 37,248.38

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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.