Home / 91,330.50-137,036.79-58,041.93

Finding the Fourth Proportional to 91,330.50, 137,036.79 and 58,041.93

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Solution

The fourth proportional to 91,330.50, 137,036.79 and 58,041.93 is: 87,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330.50 : 137,036.79 = 58,041.93 : x
  2. Step 2: Convert to fraction form
    91,330.50/137,036.79 = 58,041.93/x
  3. Step 3: Cross multiply
    91,330.50x = 137,036.79 × 58,041.93
  4. Step 4: Simplify right side
    91,330.50x = 7,953,879,772.60
  5. Step 5: Solve for x
    x = 7,953,879,772.60/91,330.50
  6. Step 6: Final answer
    x = 87,088.98

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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.