Home / 74,646.66-103,015.32-42,384.30

Finding the Fourth Proportional to 74,646.66, 103,015.32 and 42,384.30

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Solution

The fourth proportional to 74,646.66, 103,015.32 and 42,384.30 is: 58,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,646.66 : 103,015.32 = 42,384.30 : x
  2. Step 2: Convert to fraction form
    74,646.66/103,015.32 = 42,384.30/x
  3. Step 3: Cross multiply
    74,646.66x = 103,015.32 × 42,384.30
  4. Step 4: Simplify right side
    74,646.66x = 4,366,232,227.48
  5. Step 5: Solve for x
    x = 4,366,232,227.48/74,646.66
  6. Step 6: Final answer
    x = 58,492.00

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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.