Home / 85,547.06-128,283.91-29,392.82

Finding the Fourth Proportional to 85,547.06, 128,283.91 and 29,392.82

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Solution

The fourth proportional to 85,547.06, 128,283.91 and 29,392.82 is: 44,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,547.06 : 128,283.91 = 29,392.82 : x
  2. Step 2: Convert to fraction form
    85,547.06/128,283.91 = 29,392.82/x
  3. Step 3: Cross multiply
    85,547.06x = 128,283.91 × 29,392.82
  4. Step 4: Simplify right side
    85,547.06x = 3,770,625,875.53
  5. Step 5: Solve for x
    x = 3,770,625,875.53/85,547.06
  6. Step 6: Final answer
    x = 44,076.63

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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.