Home / 84,534.40-116,661.20-46,808.72

Finding the Fourth Proportional to 84,534.40, 116,661.20 and 46,808.72

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Solution

The fourth proportional to 84,534.40, 116,661.20 and 46,808.72 is: 64,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,534.40 : 116,661.20 = 46,808.72 : x
  2. Step 2: Convert to fraction form
    84,534.40/116,661.20 = 46,808.72/x
  3. Step 3: Cross multiply
    84,534.40x = 116,661.20 × 46,808.72
  4. Step 4: Simplify right side
    84,534.40x = 5,460,761,445.66
  5. Step 5: Solve for x
    x = 5,460,761,445.66/84,534.40
  6. Step 6: Final answer
    x = 64,598.10

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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.