Home / 84,817.10-127,225.65-51,602.30

Finding the Fourth Proportional to 84,817.10, 127,225.65 and 51,602.30

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Solution

The fourth proportional to 84,817.10, 127,225.65 and 51,602.30 is: 77,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817.10 : 127,225.65 = 51,602.30 : x
  2. Step 2: Convert to fraction form
    84,817.10/127,225.65 = 51,602.30/x
  3. Step 3: Cross multiply
    84,817.10x = 127,225.65 × 51,602.30
  4. Step 4: Simplify right side
    84,817.10x = 6,565,136,159.00
  5. Step 5: Solve for x
    x = 6,565,136,159.00/84,817.10
  6. Step 6: Final answer
    x = 77,403.45

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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.