Home / 84,985.10-117,210.03-59,482.70

Finding the Fourth Proportional to 84,985.10, 117,210.03 and 59,482.70

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Solution

The fourth proportional to 84,985.10, 117,210.03 and 59,482.70 is: 82,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,985.10 : 117,210.03 = 59,482.70 : x
  2. Step 2: Convert to fraction form
    84,985.10/117,210.03 = 59,482.70/x
  3. Step 3: Cross multiply
    84,985.10x = 117,210.03 × 59,482.70
  4. Step 4: Simplify right side
    84,985.10x = 6,971,969,051.48
  5. Step 5: Solve for x
    x = 6,971,969,051.48/84,985.10
  6. Step 6: Final answer
    x = 82,037.55

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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.