Home / 72,946.02-100,690.62-42,741.12

Finding the Fourth Proportional to 72,946.02, 100,690.62 and 42,741.12

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Solution

The fourth proportional to 72,946.02, 100,690.62 and 42,741.12 is: 58,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,946.02 : 100,690.62 = 42,741.12 : x
  2. Step 2: Convert to fraction form
    72,946.02/100,690.62 = 42,741.12/x
  3. Step 3: Cross multiply
    72,946.02x = 100,690.62 × 42,741.12
  4. Step 4: Simplify right side
    72,946.02x = 4,303,629,643.43
  5. Step 5: Solve for x
    x = 4,303,629,643.43/72,946.02
  6. Step 6: Final answer
    x = 58,997.46

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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.