Home / 104,931.95-144,802.42-57,184.34

Finding the Fourth Proportional to 104,931.95, 144,802.42 and 57,184.34

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Solution

The fourth proportional to 104,931.95, 144,802.42 and 57,184.34 is: 78,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,931.95 : 144,802.42 = 57,184.34 : x
  2. Step 2: Convert to fraction form
    104,931.95/144,802.42 = 57,184.34/x
  3. Step 3: Cross multiply
    104,931.95x = 144,802.42 × 57,184.34
  4. Step 4: Simplify right side
    104,931.95x = 8,280,429,951.13
  5. Step 5: Solve for x
    x = 8,280,429,951.13/104,931.95
  6. Step 6: Final answer
    x = 78,912.38

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1.5x scale

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.