Home / 74,916.90-103,386.48-40,925.15

Finding the Fourth Proportional to 74,916.90, 103,386.48 and 40,925.15

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Solution

The fourth proportional to 74,916.90, 103,386.48 and 40,925.15 is: 56,477.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.90 : 103,386.48 = 40,925.15 : x
  2. Step 2: Convert to fraction form
    74,916.90/103,386.48 = 40,925.15/x
  3. Step 3: Cross multiply
    74,916.90x = 103,386.48 × 40,925.15
  4. Step 4: Simplify right side
    74,916.90x = 4,231,106,919.27
  5. Step 5: Solve for x
    x = 4,231,106,919.27/74,916.90
  6. Step 6: Final answer
    x = 56,477.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.