Home / 72,386.09-99,898.47-46,567.70

Finding the Fourth Proportional to 72,386.09, 99,898.47 and 46,567.70

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Solution

The fourth proportional to 72,386.09, 99,898.47 and 46,567.70 is: 64,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,386.09 : 99,898.47 = 46,567.70 : x
  2. Step 2: Convert to fraction form
    72,386.09/99,898.47 = 46,567.70/x
  3. Step 3: Cross multiply
    72,386.09x = 99,898.47 × 46,567.70
  4. Step 4: Simplify right side
    72,386.09x = 4,652,041,856.55
  5. Step 5: Solve for x
    x = 4,652,041,856.55/72,386.09
  6. Step 6: Final answer
    x = 64,267.07

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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.