Home / 105,117.74-157,700.38-34,999.82

Finding the Fourth Proportional to 105,117.74, 157,700.38 and 34,999.82

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Solution

The fourth proportional to 105,117.74, 157,700.38 and 34,999.82 is: 52,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,117.74 : 157,700.38 = 34,999.82 : x
  2. Step 2: Convert to fraction form
    105,117.74/157,700.38 = 34,999.82/x
  3. Step 3: Cross multiply
    105,117.74x = 157,700.38 × 34,999.82
  4. Step 4: Simplify right side
    105,117.74x = 5,519,484,913.93
  5. Step 5: Solve for x
    x = 5,519,484,913.93/105,117.74
  6. Step 6: Final answer
    x = 52,507.64

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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.