Home / 85,555.64-118,064.63-47,314.18

Finding the Fourth Proportional to 85,555.64, 118,064.63 and 47,314.18

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Solution

The fourth proportional to 85,555.64, 118,064.63 and 47,314.18 is: 65,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.64 : 118,064.63 = 47,314.18 : x
  2. Step 2: Convert to fraction form
    85,555.64/118,064.63 = 47,314.18/x
  3. Step 3: Cross multiply
    85,555.64x = 118,064.63 × 47,314.18
  4. Step 4: Simplify right side
    85,555.64x = 5,586,130,328.56
  5. Step 5: Solve for x
    x = 5,586,130,328.56/85,555.64
  6. Step 6: Final answer
    x = 65,292.37

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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.