Home / 77,312.17-106,702.10-43,322.95

Finding the Fourth Proportional to 77,312.17, 106,702.10 and 43,322.95

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Solution

The fourth proportional to 77,312.17, 106,702.10 and 43,322.95 is: 59,792.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,312.17 : 106,702.10 = 43,322.95 : x
  2. Step 2: Convert to fraction form
    77,312.17/106,702.10 = 43,322.95/x
  3. Step 3: Cross multiply
    77,312.17x = 106,702.10 × 43,322.95
  4. Step 4: Simplify right side
    77,312.17x = 4,622,649,743.20
  5. Step 5: Solve for x
    x = 4,622,649,743.20/77,312.17
  6. Step 6: Final answer
    x = 59,792.01

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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.