Home / 124,901.58-172,368.27-68,312.95

Finding the Fourth Proportional to 124,901.58, 172,368.27 and 68,312.95

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Solution

The fourth proportional to 124,901.58, 172,368.27 and 68,312.95 is: 94,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,901.58 : 172,368.27 = 68,312.95 : x
  2. Step 2: Convert to fraction form
    124,901.58/172,368.27 = 68,312.95/x
  3. Step 3: Cross multiply
    124,901.58x = 172,368.27 × 68,312.95
  4. Step 4: Simplify right side
    124,901.58x = 11,774,985,010.10
  5. Step 5: Solve for x
    x = 11,774,985,010.10/124,901.58
  6. Step 6: Final answer
    x = 94,274.11

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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.