Home / 97,910.98-135,071.55-57,599.10

Finding the Fourth Proportional to 97,910.98, 135,071.55 and 57,599.10

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Solution

The fourth proportional to 97,910.98, 135,071.55 and 57,599.10 is: 79,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,910.98 : 135,071.55 = 57,599.10 : x
  2. Step 2: Convert to fraction form
    97,910.98/135,071.55 = 57,599.10/x
  3. Step 3: Cross multiply
    97,910.98x = 135,071.55 × 57,599.10
  4. Step 4: Simplify right side
    97,910.98x = 7,779,999,715.61
  5. Step 5: Solve for x
    x = 7,779,999,715.61/97,910.98
  6. Step 6: Final answer
    x = 79,459.93

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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.