Home / 102,528.94-153,740.73-46,338.64

Finding the Fourth Proportional to 102,528.94, 153,740.73 and 46,338.64

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Solution

The fourth proportional to 102,528.94, 153,740.73 and 46,338.64 is: 69,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528.94 : 153,740.73 = 46,338.64 : x
  2. Step 2: Convert to fraction form
    102,528.94/153,740.73 = 46,338.64/x
  3. Step 3: Cross multiply
    102,528.94x = 153,740.73 × 46,338.64
  4. Step 4: Simplify right side
    102,528.94x = 7,124,136,340.81
  5. Step 5: Solve for x
    x = 7,124,136,340.81/102,528.94
  6. Step 6: Final answer
    x = 69,484.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.