Home / 109,356.38-163,886.95-56,802.77

Finding the Fourth Proportional to 109,356.38, 163,886.95 and 56,802.77

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Solution

The fourth proportional to 109,356.38, 163,886.95 and 56,802.77 is: 85,127.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,356.38 : 163,886.95 = 56,802.77 : x
  2. Step 2: Convert to fraction form
    109,356.38/163,886.95 = 56,802.77/x
  3. Step 3: Cross multiply
    109,356.38x = 163,886.95 × 56,802.77
  4. Step 4: Simplify right side
    109,356.38x = 9,309,232,273.48
  5. Step 5: Solve for x
    x = 9,309,232,273.48/109,356.38
  6. Step 6: Final answer
    x = 85,127.47

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1.5x scale

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.