Home / 114,020.76-157,342.48-63,030.45

Finding the Fourth Proportional to 114,020.76, 157,342.48 and 63,030.45

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Solution

The fourth proportional to 114,020.76, 157,342.48 and 63,030.45 is: 86,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,020.76 : 157,342.48 = 63,030.45 : x
  2. Step 2: Convert to fraction form
    114,020.76/157,342.48 = 63,030.45/x
  3. Step 3: Cross multiply
    114,020.76x = 157,342.48 × 63,030.45
  4. Step 4: Simplify right side
    114,020.76x = 9,917,367,318.52
  5. Step 5: Solve for x
    x = 9,917,367,318.52/114,020.76
  6. Step 6: Final answer
    x = 86,978.61

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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.