Home / 72,299.02-99,768.70-40,461.77

Finding the Fourth Proportional to 72,299.02, 99,768.70 and 40,461.77

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Solution

The fourth proportional to 72,299.02, 99,768.70 and 40,461.77 is: 55,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299.02 : 99,768.70 = 40,461.77 : x
  2. Step 2: Convert to fraction form
    72,299.02/99,768.70 = 40,461.77/x
  3. Step 3: Cross multiply
    72,299.02x = 99,768.70 × 40,461.77
  4. Step 4: Simplify right side
    72,299.02x = 4,036,818,192.60
  5. Step 5: Solve for x
    x = 4,036,818,192.60/72,299.02
  6. Step 6: Final answer
    x = 55,835.03

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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.