Home / 70,645.19-97,515.93-46,779.54

Finding the Fourth Proportional to 70,645.19, 97,515.93 and 46,779.54

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Solution

The fourth proportional to 70,645.19, 97,515.93 and 46,779.54 is: 64,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,645.19 : 97,515.93 = 46,779.54 : x
  2. Step 2: Convert to fraction form
    70,645.19/97,515.93 = 46,779.54/x
  3. Step 3: Cross multiply
    70,645.19x = 97,515.93 × 46,779.54
  4. Step 4: Simplify right side
    70,645.19x = 4,561,750,348.07
  5. Step 5: Solve for x
    x = 4,561,750,348.07/70,645.19
  6. Step 6: Final answer
    x = 64,572.70

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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.