Home / 86,045.08-118,729.38-48,312.04

Finding the Fourth Proportional to 86,045.08, 118,729.38 and 48,312.04

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Solution

The fourth proportional to 86,045.08, 118,729.38 and 48,312.04 is: 66,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,045.08 : 118,729.38 = 48,312.04 : x
  2. Step 2: Convert to fraction form
    86,045.08/118,729.38 = 48,312.04/x
  3. Step 3: Cross multiply
    86,045.08x = 118,729.38 × 48,312.04
  4. Step 4: Simplify right side
    86,045.08x = 5,736,058,555.74
  5. Step 5: Solve for x
    x = 5,736,058,555.74/86,045.08
  6. Step 6: Final answer
    x = 66,663.41

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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.