Home / 112,536.81-155,303.51-61,554.33

Finding the Fourth Proportional to 112,536.81, 155,303.51 and 61,554.33

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Solution

The fourth proportional to 112,536.81, 155,303.51 and 61,554.33 is: 84,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,536.81 : 155,303.51 = 61,554.33 : x
  2. Step 2: Convert to fraction form
    112,536.81/155,303.51 = 61,554.33/x
  3. Step 3: Cross multiply
    112,536.81x = 155,303.51 × 61,554.33
  4. Step 4: Simplify right side
    112,536.81x = 9,559,602,882.07
  5. Step 5: Solve for x
    x = 9,559,602,882.07/112,536.81
  6. Step 6: Final answer
    x = 84,946.46

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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.