Home / 93,045.60-139,543.56-40,442.58

Finding the Fourth Proportional to 93,045.60, 139,543.56 and 40,442.58

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Solution

The fourth proportional to 93,045.60, 139,543.56 and 40,442.58 is: 60,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,045.60 : 139,543.56 = 40,442.58 : x
  2. Step 2: Convert to fraction form
    93,045.60/139,543.56 = 40,442.58/x
  3. Step 3: Cross multiply
    93,045.60x = 139,543.56 × 40,442.58
  4. Step 4: Simplify right side
    93,045.60x = 5,643,501,588.78
  5. Step 5: Solve for x
    x = 5,643,501,588.78/93,045.60
  6. Step 6: Final answer
    x = 60,653.07

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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.