Home / 91,071.60-136,599.72-51,504.24

Finding the Fourth Proportional to 91,071.60, 136,599.72 and 51,504.24

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Solution

The fourth proportional to 91,071.60, 136,599.72 and 51,504.24 is: 77,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.60 : 136,599.72 = 51,504.24 : x
  2. Step 2: Convert to fraction form
    91,071.60/136,599.72 = 51,504.24/x
  3. Step 3: Cross multiply
    91,071.60x = 136,599.72 × 51,504.24
  4. Step 4: Simplify right side
    91,071.60x = 7,035,464,762.81
  5. Step 5: Solve for x
    x = 7,035,464,762.81/91,071.60
  6. Step 6: Final answer
    x = 77,252.02

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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.