Home / 91,466.04-137,223.70-47,068.60

Finding the Fourth Proportional to 91,466.04, 137,223.70 and 47,068.60

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Solution

The fourth proportional to 91,466.04, 137,223.70 and 47,068.60 is: 70,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,466.04 : 137,223.70 = 47,068.60 : x
  2. Step 2: Convert to fraction form
    91,466.04/137,223.70 = 47,068.60/x
  3. Step 3: Cross multiply
    91,466.04x = 137,223.70 × 47,068.60
  4. Step 4: Simplify right side
    91,466.04x = 6,458,927,445.82
  5. Step 5: Solve for x
    x = 6,458,927,445.82/91,466.04
  6. Step 6: Final answer
    x = 70,615.58

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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.