Home / 92,916.32-128,223.81-50,475.15

Finding the Fourth Proportional to 92,916.32, 128,223.81 and 50,475.15

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Solution

The fourth proportional to 92,916.32, 128,223.81 and 50,475.15 is: 69,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,916.32 : 128,223.81 = 50,475.15 : x
  2. Step 2: Convert to fraction form
    92,916.32/128,223.81 = 50,475.15/x
  3. Step 3: Cross multiply
    92,916.32x = 128,223.81 × 50,475.15
  4. Step 4: Simplify right side
    92,916.32x = 6,472,116,043.32
  5. Step 5: Solve for x
    x = 6,472,116,043.32/92,916.32
  6. Step 6: Final answer
    x = 69,655.32

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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.