Home / 72,316.02-99,806.06-43,637.16

Finding the Fourth Proportional to 72,316.02, 99,806.06 and 43,637.16

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Solution

The fourth proportional to 72,316.02, 99,806.06 and 43,637.16 is: 60,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,316.02 : 99,806.06 = 43,637.16 : x
  2. Step 2: Convert to fraction form
    72,316.02/99,806.06 = 43,637.16/x
  3. Step 3: Cross multiply
    72,316.02x = 99,806.06 × 43,637.16
  4. Step 4: Simplify right side
    72,316.02x = 4,355,253,009.19
  5. Step 5: Solve for x
    x = 4,355,253,009.19/72,316.02
  6. Step 6: Final answer
    x = 60,225.29

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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.