Home / 70,619.55-97,482.75-42,319.77

Finding the Fourth Proportional to 70,619.55, 97,482.75 and 42,319.77

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Solution

The fourth proportional to 70,619.55, 97,482.75 and 42,319.77 is: 58,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,619.55 : 97,482.75 = 42,319.77 : x
  2. Step 2: Convert to fraction form
    70,619.55/97,482.75 = 42,319.77/x
  3. Step 3: Cross multiply
    70,619.55x = 97,482.75 × 42,319.77
  4. Step 4: Simplify right side
    70,619.55x = 4,125,447,558.97
  5. Step 5: Solve for x
    x = 4,125,447,558.97/70,619.55
  6. Step 6: Final answer
    x = 58,417.92

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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.