Home / 84,764.53-116,975.51-47,038.78

Finding the Fourth Proportional to 84,764.53, 116,975.51 and 47,038.78

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Solution

The fourth proportional to 84,764.53, 116,975.51 and 47,038.78 is: 64,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,764.53 : 116,975.51 = 47,038.78 : x
  2. Step 2: Convert to fraction form
    84,764.53/116,975.51 = 47,038.78/x
  3. Step 3: Cross multiply
    84,764.53x = 116,975.51 × 47,038.78
  4. Step 4: Simplify right side
    84,764.53x = 5,502,385,280.28
  5. Step 5: Solve for x
    x = 5,502,385,280.28/84,764.53
  6. Step 6: Final answer
    x = 64,913.77

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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.