Home / 85,598.49-128,292.57-48,079.69

Finding the Fourth Proportional to 85,598.49, 128,292.57 and 48,079.69

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Solution

The fourth proportional to 85,598.49, 128,292.57 and 48,079.69 is: 72,060.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,598.49 : 128,292.57 = 48,079.69 : x
  2. Step 2: Convert to fraction form
    85,598.49/128,292.57 = 48,079.69/x
  3. Step 3: Cross multiply
    85,598.49x = 128,292.57 × 48,079.69
  4. Step 4: Simplify right side
    85,598.49x = 6,168,266,994.90
  5. Step 5: Solve for x
    x = 6,168,266,994.90/85,598.49
  6. Step 6: Final answer
    x = 72,060.47

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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.