Home / 83,133.15-124,749.40-30,547.95

Finding the Fourth Proportional to 83,133.15, 124,749.40 and 30,547.95

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Solution

The fourth proportional to 83,133.15, 124,749.40 and 30,547.95 is: 45,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133.15 : 124,749.40 = 30,547.95 : x
  2. Step 2: Convert to fraction form
    83,133.15/124,749.40 = 30,547.95/x
  3. Step 3: Cross multiply
    83,133.15x = 124,749.40 × 30,547.95
  4. Step 4: Simplify right side
    83,133.15x = 3,810,837,809.98
  5. Step 5: Solve for x
    x = 3,810,837,809.98/83,133.15
  6. Step 6: Final answer
    x = 45,840.17

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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.