Home / 105,085.74-157,700.01-42,767.58

Finding the Fourth Proportional to 105,085.74, 157,700.01 and 42,767.58

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Solution

The fourth proportional to 105,085.74, 157,700.01 and 42,767.58 is: 64,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,085.74 : 157,700.01 = 42,767.58 : x
  2. Step 2: Convert to fraction form
    105,085.74/157,700.01 = 42,767.58/x
  3. Step 3: Cross multiply
    105,085.74x = 157,700.01 × 42,767.58
  4. Step 4: Simplify right side
    105,085.74x = 6,744,447,793.68
  5. Step 5: Solve for x
    x = 6,744,447,793.68/105,085.74
  6. Step 6: Final answer
    x = 64,180.43

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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.