Home / 72,005.08-98,647.52-69,312.04

Finding the Fourth Proportional to 72,005.08, 98,647.52 and 69,312.04

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Solution

The fourth proportional to 72,005.08, 98,647.52 and 69,312.04 is: 94,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,005.08 : 98,647.52 = 69,312.04 : x
  2. Step 2: Convert to fraction form
    72,005.08/98,647.52 = 69,312.04/x
  3. Step 3: Cross multiply
    72,005.08x = 98,647.52 × 69,312.04
  4. Step 4: Simplify right side
    72,005.08x = 6,837,460,852.14
  5. Step 5: Solve for x
    x = 6,837,460,852.14/72,005.08
  6. Step 6: Final answer
    x = 94,958.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.